Home / 5,347.90-8,031.45-5,175.10

Finding the Fourth Proportional to 5,347.90, 8,031.45 and 5,175.10

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Solution

The fourth proportional to 5,347.90, 8,031.45 and 5,175.10 is: 7,771.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.90 : 8,031.45 = 5,175.10 : x
  2. Step 2: Convert to fraction form
    5,347.90/8,031.45 = 5,175.10/x
  3. Step 3: Cross multiply
    5,347.90x = 8,031.45 × 5,175.10
  4. Step 4: Simplify right side
    5,347.90x = 41,563,556.90
  5. Step 5: Solve for x
    x = 41,563,556.90/5,347.90
  6. Step 6: Final answer
    x = 7,771.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.